fix worker.ejs: restore missing '<% } %>' that closes if(pps_audit)

Author: rsantacroce

dashboard/views/worker.ejs

@@ -202,6 +202,7 @@ if (n > 1) {
             </p>
         </section>
         <% } %>
+        <% } /* end of if (pps_audit) */ %>
 
         <section class="card">
             <h2>Hashrate · 10-min buckets · last 24h</h2>